diff --git a/components/script/dom/webglprogram.rs b/components/script/dom/webglprogram.rs
index 075672c8107..6f371701074 100644
--- a/components/script/dom/webglprogram.rs
+++ b/components/script/dom/webglprogram.rs
@@ -192,8 +192,6 @@ impl WebGLProgram {
             }
         };
 
-        // TODO(emilio): Differentiate between same shader already assigned and other previous
-        // shader.
         if shader_slot.get().is_some() {
             return Err(WebGLError::InvalidOperation);
         }